The Ethnic Composition of a Market Can Be Important to Marketing

The ethnic composition of a market can be important to marketing managers because

A) treating all members of an ethnic group as one target market is often misleading.
B) about 1 out of 5 families speaks a language other than English at home.
C) the geographic distribution of ethnic groups varies across the country.
D) All of the above are true.
E) None of the above is true.